Made of plastic material; The inner wall has a special perforated design that directs the sound waves towards the sound absorbing material.
-Suction and discharge nozzles are rubber sealed to dampen vibration and seal.
-Connection terminal is 360 ° rotatable for easier connection of power cables.
-Speed adjustable, double speed, IP 44, 230V-50Hz motor. Optional speed switches are available)
-Motors have ball bearing and overload protection and are class B.
It is the most useful duct type fan that solves ventilation problems where low sound levels are required.
(Approved and certified by the Noise Abatement Society)
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